Blocks 5 and 20 Mixed Use Project

The City of Oceanside is overseeing the Blocks 5 and 20 Mixed Use Project, a development located on a 3.52 gross acre site at 401 Mission Avenue in California. The project consists of two mixed-use buildings within the Townsite Neighborhood Planning Area, adhering to a Downtown General Plan and Downtown Subdistrict zoning designation. Block 5 will feature 193 dwelling units, including 190 flats, 3 live work units, and 20 low-income units, along with approximately 7,868 square feet of commercial space. Block 20 will include 180 dwelling units, consisting of 177 flats, 3 live work units, and 18 low-income units, with approximately 9,538 square feet of commercial area. The project is classified as in-fill development and has been determined to be categorically and statutorily exempt from further environmental review under CEQA Class 32 and California Public Resources Code Section 21080.66. Administrative oversight is managed by the City of Oceanside Planning Division, with Manuel Baeza serving as the Principal Planner and project manager. The project was officially filed with the San Diego County Clerk on January 16, 2026, and is associated with NAICS code 236116.